Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.streams.elasticsearch.test; import org.apache.streams.config.ComponentConfigurator; import org.apache.streams.core.StreamsDatum; import org.apache.streams.elasticsearch.ElasticsearchClientManager; import org.apache.streams.elasticsearch.ElasticsearchPersistWriter; import org.apache.streams.elasticsearch.ElasticsearchWriterConfiguration; import org.apache.streams.jackson.StreamsJacksonMapper; import org.apache.streams.pojo.json.Activity; import org.apache.streams.pojo.json.ActivityObject; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.node.ObjectNode; import com.typesafe.config.Config; import com.typesafe.config.ConfigFactory; import com.typesafe.config.ConfigParseOptions; import org.apache.commons.io.IOUtils; import org.apache.commons.lang3.StringUtils; import org.elasticsearch.action.admin.cluster.health.ClusterHealthRequest; import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse; import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest; import org.elasticsearch.action.admin.indices.delete.DeleteIndexResponse; import org.elasticsearch.action.admin.indices.exists.indices.IndicesExistsRequest; import org.elasticsearch.action.admin.indices.exists.indices.IndicesExistsResponse; import org.elasticsearch.action.admin.indices.template.put.PutIndexTemplateRequestBuilder; import org.elasticsearch.action.search.SearchRequestBuilder; import org.elasticsearch.action.search.SearchResponse; import org.elasticsearch.client.Client; import org.elasticsearch.client.Requests; import org.elasticsearch.cluster.health.ClusterHealthStatus; import org.reflections.Reflections; import org.reflections.scanners.SubTypesScanner; import org.reflections.util.ClasspathHelper; import org.reflections.util.ConfigurationBuilder; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.testng.annotations.BeforeClass; import org.testng.annotations.Test; import java.io.File; import java.io.InputStream; import java.net.URL; import java.nio.charset.StandardCharsets; import java.util.List; import java.util.Set; import static org.testng.Assert.assertEquals; import static org.testng.Assert.assertNotEquals; import static org.testng.Assert.assertTrue; /** * Integration Test for * @see org.apache.streams.elasticsearch.ElasticsearchPersistWriter * using parent/child associated documents. */ @Test(groups = { "ElasticsearchParentChildWriterIT" }) public class ElasticsearchParentChildWriterIT { private static final Logger LOGGER = LoggerFactory.getLogger(ElasticsearchParentChildWriterIT.class); private static ObjectMapper MAPPER = StreamsJacksonMapper.getInstance(); protected ElasticsearchWriterConfiguration testConfiguration; protected Client testClient; Set<Class<? extends ActivityObject>> objectTypes; List<String> files; @BeforeClass public void prepareTestParentChildPersistWriter() throws Exception { Config reference = ConfigFactory.load(); File conf_file = new File("target/test-classes/ElasticsearchParentChildWriterIT.conf"); assertTrue(conf_file.exists()); Config testResourceConfig = ConfigFactory.parseFileAnySyntax(conf_file, ConfigParseOptions.defaults().setAllowMissing(false)); Config typesafe = testResourceConfig.withFallback(reference).resolve(); testConfiguration = new ComponentConfigurator<>(ElasticsearchWriterConfiguration.class) .detectConfiguration(typesafe, "elasticsearch"); testClient = ElasticsearchClientManager.getInstance(testConfiguration).client(); ClusterHealthRequest clusterHealthRequest = Requests.clusterHealthRequest(); ClusterHealthResponse clusterHealthResponse = testClient.admin().cluster().health(clusterHealthRequest) .actionGet(); assertNotEquals(clusterHealthResponse.getStatus(), ClusterHealthStatus.RED); IndicesExistsRequest indicesExistsRequest = Requests.indicesExistsRequest(testConfiguration.getIndex()); IndicesExistsResponse indicesExistsResponse = testClient.admin().indices().exists(indicesExistsRequest) .actionGet(); if (indicesExistsResponse.isExists()) { DeleteIndexRequest deleteIndexRequest = Requests.deleteIndexRequest(testConfiguration.getIndex()); DeleteIndexResponse deleteIndexResponse = testClient.admin().indices().delete(deleteIndexRequest) .actionGet(); assertTrue(deleteIndexResponse.isAcknowledged()); } PutIndexTemplateRequestBuilder putTemplateRequestBuilder = testClient.admin().indices() .preparePutTemplate("mappings"); URL templateURL = ElasticsearchParentChildWriterIT.class.getResource("/ActivityChildObjectParent.json"); ObjectNode template = MAPPER.readValue(templateURL, ObjectNode.class); String templateSource = MAPPER.writeValueAsString(template); putTemplateRequestBuilder.setSource(templateSource); testClient.admin().indices().putTemplate(putTemplateRequestBuilder.request()).actionGet(); Reflections reflections = new Reflections( new ConfigurationBuilder().setUrls(ClasspathHelper.forPackage("org.apache.streams.pojo.json")) .setScanners(new SubTypesScanner())); objectTypes = reflections.getSubTypesOf(ActivityObject.class); InputStream testActivityFolderStream = ElasticsearchParentChildWriterIT.class.getClassLoader() .getResourceAsStream("activities"); files = IOUtils.readLines(testActivityFolderStream, StandardCharsets.UTF_8); } @Test public void testParentChildPersistWriter() throws Exception { IndicesExistsRequest indicesExistsRequest = Requests.indicesExistsRequest(testConfiguration.getIndex()); IndicesExistsResponse indicesExistsResponse = testClient.admin().indices().exists(indicesExistsRequest) .actionGet(); if (indicesExistsResponse.isExists()) { DeleteIndexRequest deleteIndexRequest = Requests.deleteIndexRequest(testConfiguration.getIndex()); DeleteIndexResponse deleteIndexResponse = testClient.admin().indices().delete(deleteIndexRequest) .actionGet(); } ElasticsearchPersistWriter testPersistWriter = new ElasticsearchPersistWriter(testConfiguration); testPersistWriter.prepare(null); for (Class objectType : objectTypes) { Object object = objectType.newInstance(); ActivityObject activityObject = MAPPER.convertValue(object, ActivityObject.class); StreamsDatum datum = new StreamsDatum(activityObject, activityObject.getObjectType()); datum.getMetadata().put("type", "object"); testPersistWriter.write(datum); } for (String file : files) { LOGGER.info("File: " + file); InputStream testActivityFileStream = ElasticsearchParentChildWriterIT.class.getClassLoader() .getResourceAsStream("activities/" + file); Activity activity = MAPPER.readValue(testActivityFileStream, Activity.class); StreamsDatum datum = new StreamsDatum(activity, activity.getVerb()); if (!StringUtils.isEmpty(activity.getObject().getObjectType())) { datum.getMetadata().put("parent", activity.getObject().getObjectType()); datum.getMetadata().put("type", "activity"); testPersistWriter.write(datum); LOGGER.info("Wrote: " + activity.getVerb()); } } testPersistWriter.cleanUp(); SearchRequestBuilder countParentRequest = testClient.prepareSearch(testConfiguration.getIndex()) .setTypes("object"); SearchResponse countParentResponse = countParentRequest.execute().actionGet(); assertEquals(41, countParentResponse.getHits().getTotalHits()); SearchRequestBuilder countChildRequest = testClient.prepareSearch(testConfiguration.getIndex()) .setTypes("activity"); SearchResponse countChildResponse = countChildRequest.execute().actionGet(); assertEquals(84, countChildResponse.getHits().getTotalHits()); } }